Do 'On Play' effects use the Chain, allowing opponents to react with cards like Gust?
Ruling: Yes, 'On Play' effects (such as Purple Teemo gaining 3 might when played from hidden) go on the Chain and can be reacted to with cards like Gust.
Ruling: Yes, 'On Play' effects (such as Purple Teemo gaining 3 might when played from hidden) go on the Chain and can be reacted to with cards like Gust.